. >>> ukraine's prime minister says russia wants to start a third world war and fears an imminent russian invasion. tensions continue to escalate in that region. ukranian antiterrorist forces have moved to push pro-russian forces out of the east. meanwhile russian fighter jets have flown into ukrainian airspace several times over the last 4 hours. >> they are going to attack ukraine. we are going to resist any invasion. and we call upon the russian authorities to stop this madness. >> now, adding to the standoff, pro-russian forces in eastern ukraine have detained a team of international observers. they believe they're hiding a spy from kiev. >>> stocks tumbled today due to the escalating situation in ukraine. the dow, nasdaq and s&p were down. >>> a huge turnout in the rain for free medical checkups. >> it is very heart-wrenching quite frankly. when i walked outside and i saw all of those people and it was just raining downpouring down on us, my heart was [ indiscernible ] >> thousands who can't otherwise afford it showed up in oakland and vallejo for free health screenings, eye check-up